+/*
+ * \file serv_pager.c
+ * @author Mathew McBride
+ *
+ * This module implements an external pager hook for when notifcation
+ * of a new email is wanted.
+ * Based on bits of serv_funambol
+ * Contact: <matt@mcbridematt.dhs.org> / <matt@comalies>
+ */
+
+#include "sysdep.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <pwd.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
+#include <sys/wait.h>
+#include <string.h>
+#include <limits.h>
+#include <sys/socket.h>
+#include <libcitadel.h>
+#include "citadel.h"
+#include "server.h"
+#include "citserver.h"
+#include "support.h"
+#include "config.h"
+#include "control.h"
+#include "room_ops.h"
+#include "user_ops.h"
+#include "policy.h"
+#include "database.h"
+#include "msgbase.h"
+#include "internet_addressing.h"
+#include "domain.h"
+#include "clientsocket.h"
+#include "serv_pager.h"
+
+#include "ctdl_module.h"
+
+#define PAGER_CONFIG_MESSAGE "__ Push email settings __"
+#define PAGER_CONFIG_TEXT "textmessage"
+
+/*! \brief Create the notify message queue. We use the exact same room
+ * as the Funambol module.
+ *
+ * Run at server startup, creates FNBL_QUEUE_ROOM if it doesn't exist
+ * and sets as system room.
+ */
+void create_pager_queue(void) {
+ struct ctdlroom qrbuf;
+
+ create_room(FNBL_QUEUE_ROOM, 3, "", 0, 1, 0, VIEW_MAILBOX);
+
+ /*
+ * Make sure it's set to be a "system room" so it doesn't show up
+ * in the <K>nown rooms list for Aides.
+ */
+ if (lgetroom(&qrbuf, FNBL_QUEUE_ROOM) == 0) {
+ qrbuf.QRflags2 |= QR2_SYSTEM;
+ lputroom(&qrbuf);
+ }
+}
+/*!
+ * \brief Run through the pager room queue
+ */
+void do_pager_queue(void) {
+ static int doing_queue = 0;
+
+ /*
+ * This is a simple concurrency check to make sure only one queue run
+ * is done at a time. We could do this with a mutex, but since we
+ * don't really require extremely fine granularity here, we'll do it
+ * with a static variable instead.
+ */
+ if (doing_queue) return;
+ doing_queue = 1;
+
+ /*
+ * Go ahead and run the queue
+ */
+ lprintf(CTDL_DEBUG, "serv_pager: processing notify queue\n");
+
+ if (getroom(&CC->room, FNBL_QUEUE_ROOM) != 0) {
+ lprintf(CTDL_ERR, "Cannot find room <%s>\n", FNBL_QUEUE_ROOM);
+ return;
+ }
+ CtdlForEachMessage(MSGS_ALL, 0L, NULL,
+ SPOOLMIME, NULL, notify_pager, NULL);
+
+ lprintf(CTDL_DEBUG, "serv_pager: queue run completed\n");
+ doing_queue = 0;
+}
+
+/*!
+ * \brief Call the external pager tool as set by the administrator
+ * @param msgnum The message number of the 'hint' message passed from do_pager_queue
+ * @param userdata userdata struct as passed by CtdlForEachMessage
+ *
+ */
+void notify_pager(long msgnum, void *userdata) {
+ struct CtdlMessage *msg;
+
+ /* W means 'wireless', which contains the unix name */
+ msg = CtdlFetchMessage(msgnum, 1);
+ if ( msg->cm_fields['W'] == NULL) {
+ goto nuke;
+ }
+ /* Are we allowed to push? */
+ if (IsEmptyStr(config.c_pager_program)) {
+ return;
+ } else if (IsEmptyStr(config.c_pager_program) && IsEmptyStr(config.c_funambol_host)) {
+ goto nuke;
+ } else {
+ lprintf(CTDL_INFO, "Pager alerter enabled\n");
+ }
+
+ /* Get the configuration. We might be allowed system wide but the user
+ may have configured otherwise */
+ long configMsgNum = pager_getConfigMessage(msg->cm_fields['W']);
+ int allowed = pager_isPagerAllowedByPrefs(configMsgNum);
+ if (allowed != 0 && pager_doesUserWant(configMsgNum) == 0) {
+ goto nuke;
+ } else if (allowed != 0) {
+ return;
+ }
+ char *num = pager_getUserPhoneNumber(configMsgNum);
+ char command[SIZ];
+ snprintf(command, sizeof command, "%s %s -u %s", config.c_pager_program, num, msg->cm_fields['W']);
+ system(command);
+
+ nuke:
+ CtdlFreeMessage(msg);
+ long todelete[1];
+ todelete[0] = msgnum;
+ CtdlDeleteMessages(FNBL_QUEUE_ROOM, todelete, 1, "");
+}
+/*! \brief Get configuration message for pager/funambol system from the
+ * users "My Citadel Config" room
+ */
+long pager_getConfigMessage(char *username) {
+ struct ctdlroom qrbuf; // scratch for room
+ struct ctdluser user; // ctdl user instance
+ char configRoomName[ROOMNAMELEN];
+ struct CtdlMessage *msg;
+ struct cdbdata *cdbfr;
+ long *msglist = NULL;
+ int num_msgs = 0;
+ long confMsgNum = -1;
+ // Get the user
+ getuser(&user, username);
+
+ MailboxName(configRoomName, sizeof configRoomName, &user, USERCONFIGROOM);
+ // Fill qrbuf
+ getroom(&qrbuf, configRoomName);
+ /* Do something really, really stoopid here. Raid the room on ourselves,
+ loop through the messages manually and find it. I don't want
+ to use a CtdlForEachMessage callback here, as we would be
+ already in one */
+ cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
+ if (cdbfr != NULL) {
+ msglist = (long *) cdbfr->ptr;
+ cdbfr->ptr = NULL; /* CtdlForEachMessage() now owns this memory */
+ num_msgs = cdbfr->len / sizeof(long);
+ cdb_free(cdbfr);
+ } else {
+ lprintf(CTDL_DEBUG, "pager_getConfigMessage: No config messages found\n");
+ return -1; /* No messages at all? No further action. */
+ }
+ int a;
+ for (a = 0; a < num_msgs; ++a) {
+ msg = CtdlFetchMessage(msglist[a], 1);
+ if (msg != NULL) {
+ if (msg->cm_fields['U'] != NULL && strncasecmp(msg->cm_fields['U'], PAGER_CONFIG_MESSAGE,
+ strlen(PAGER_CONFIG_MESSAGE)) == 0) {
+ confMsgNum = msglist[a];
+ }
+ CtdlFreeMessage(msg);
+ }
+ }
+ return confMsgNum;
+
+}
+int pager_isPagerAllowedByPrefs(long configMsgNum) {
+ // Do a simple string search to see if 'textmessage' is selected as the
+ // type. This string would be at the very top of the message contents.
+ if (configMsgNum == -1) {
+ return -1;
+ }
+ struct CtdlMessage *prefMsg;
+ prefMsg = CtdlFetchMessage(configMsgNum, 1);
+ char *msgContents = prefMsg->cm_fields['M'];
+ return strncasecmp(msgContents, PAGER_CONFIG_TEXT, strlen(PAGER_CONFIG_TEXT));
+}
+int pager_doesUserWant(long configMsgNum) {
+ if (configMsgNum == -1) {
+ return -1;
+ }
+ struct CtdlMessage *prefMsg;
+ prefMsg = CtdlFetchMessage(configMsgNum, 1);
+ char *msgContents = prefMsg->cm_fields['M'];
+ return strncasecmp(msgContents, "none", 4);
+}
+ /* warning: fetching twice gravely inefficient, will fix some time */
+char *pager_getUserPhoneNumber(long configMsgNum) {
+ if (configMsgNum == -1) {
+ return NULL;
+ }
+ struct CtdlMessage *prefMsg;
+ prefMsg = CtdlFetchMessage(configMsgNum, 1);
+ char *msgContents = prefMsg->cm_fields['M'];
+ char *lines = strtok(msgContents, "textmessage\n");
+ return lines;
+}
+CTDL_MODULE_INIT(pager)
+{
+ if (!threading)
+ {
+ create_pager_queue();
+ CtdlRegisterSessionHook(do_pager_queue, EVT_TIMER);
+ }
+
+ /* return our Subversion id for the Log */
+ return "$Id: serv_pager.c $";
+}
projects / citadel.git / commitdiff